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/*
* Copyright 2010 Christoph Bumiller
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "draw/draw_context.h"
#include "pipe/p_defines.h"
#include "nv50_context.h"
#include "nv50_screen.h"
#include "nv50_resource.h"
#include "nouveau/nouveau_reloc.h"
static void
nv50_flush(struct pipe_context *pipe,
struct pipe_fence_handle **fence)
{
struct nouveau_screen *screen = &nv50_context(pipe)->screen->base;
if (fence)
nouveau_fence_ref(screen->fence.current, (struct nouveau_fence **)fence);
/* Try to emit before firing to avoid having to flush again right after
* in case we have to wait on this fence.
*/
nouveau_fence_emit(screen->fence.current);
FIRE_RING(screen->channel);
}
static void
nv50_texture_barrier(struct pipe_context *pipe)
{
struct nouveau_channel *chan = nv50_context(pipe)->screen->base.channel;
BEGIN_RING(chan, RING_3D(SERIALIZE), 1);
OUT_RING (chan, 0);
BEGIN_RING(chan, RING_3D(TEX_CACHE_CTL), 1);
OUT_RING (chan, 0x20);
}
void
nv50_default_flush_notify(struct nouveau_channel *chan)
{
struct nv50_screen *screen = chan->user_private;
if (!screen)
return;
nouveau_fence_update(&screen->base, TRUE);
nouveau_fence_next(&screen->base);
}
static void
nv50_context_unreference_resources(struct nv50_context *nv50)
{
unsigned s, i;
for (i = 0; i < NV50_BUFCTX_COUNT; ++i)
nv50_bufctx_reset(nv50, i);
for (i = 0; i < nv50->num_vtxbufs; ++i)
pipe_resource_reference(&nv50->vtxbuf[i].buffer, NULL);
pipe_resource_reference(&nv50->idxbuf.buffer, NULL);
for (s = 0; s < 3; ++s) {
for (i = 0; i < nv50->num_textures[s]; ++i)
pipe_sampler_view_reference(&nv50->textures[s][i], NULL);
for (i = 0; i < 16; ++i)
pipe_resource_reference(&nv50->constbuf[s][i], NULL);
}
}
static void
nv50_destroy(struct pipe_context *pipe)
{
struct nv50_context *nv50 = nv50_context(pipe);
nv50_context_unreference_resources(nv50);
draw_destroy(nv50->draw);
if (nv50->screen->cur_ctx == nv50)
nv50->screen->cur_ctx = NULL;
FREE(nv50);
}
struct pipe_context *
nv50_create(struct pipe_screen *pscreen, void *priv)
{
struct pipe_winsys *pipe_winsys = pscreen->winsys;
struct nv50_screen *screen = nv50_screen(pscreen);
struct nv50_context *nv50;
struct pipe_context *pipe;
nv50 = CALLOC_STRUCT(nv50_context);
if (!nv50)
return NULL;
pipe = &nv50->base.pipe;
nv50->screen = screen;
nv50->base.screen = &screen->base;
nv50->base.copy_data = nv50_m2mf_copy_linear;
nv50->base.push_data = nv50_sifc_linear_u8;
pipe->winsys = pipe_winsys;
pipe->screen = pscreen;
pipe->priv = priv;
pipe->destroy = nv50_destroy;
pipe->draw_vbo = nv50_draw_vbo;
pipe->clear = nv50_clear;
pipe->flush = nv50_flush;
pipe->texture_barrier = nv50_texture_barrier;
if (!screen->cur_ctx)
screen->cur_ctx = nv50;
screen->base.channel->flush_notify = nv50_default_flush_notify;
nv50_init_query_functions(nv50);
nv50_init_surface_functions(nv50);
nv50_init_state_functions(nv50);
nv50_init_resource_functions(pipe);
nv50->draw = draw_create(pipe);
assert(nv50->draw);
draw_set_rasterize_stage(nv50->draw, nv50_draw_render_stage(nv50));
nouveau_context_init_vdec(&nv50->base);
return pipe;
}
struct resident {
struct nv04_resource *res;
uint32_t flags;
};
void
nv50_bufctx_add_resident(struct nv50_context *nv50, int ctx,
struct nv04_resource *resource, uint32_t flags)
{
struct resident rsd = { resource, flags };
if (!resource->bo)
return;
nv50->residents_size += sizeof(struct resident);
/* We don't need to reference the resource here, it will be referenced
* in the context/state, and bufctx will be reset when state changes.
*/
util_dynarray_append(&nv50->residents[ctx], struct resident, rsd);
}
void
nv50_bufctx_del_resident(struct nv50_context *nv50, int ctx,
struct nv04_resource *resource)
{
struct resident *rsd, *top;
unsigned i;
for (i = 0; i < nv50->residents[ctx].size / sizeof(struct resident); ++i) {
rsd = util_dynarray_element(&nv50->residents[ctx], struct resident, i);
if (rsd->res == resource) {
top = util_dynarray_pop_ptr(&nv50->residents[ctx], struct resident);
if (rsd != top)
*rsd = *top;
nv50->residents_size -= sizeof(struct resident);
break;
}
}
}
void
nv50_bufctx_emit_relocs(struct nv50_context *nv50)
{
struct resident *rsd;
struct util_dynarray *array;
unsigned ctx, i, n;
n = nv50->residents_size / sizeof(struct resident);
n += NV50_SCREEN_RESIDENT_BO_COUNT;
MARK_RING(nv50->screen->base.channel, 0, n);
for (ctx = 0; ctx < NV50_BUFCTX_COUNT; ++ctx) {
array = &nv50->residents[ctx];
n = array->size / sizeof(struct resident);
for (i = 0; i < n; ++i) {
rsd = util_dynarray_element(array, struct resident, i);
nv50_resource_validate(rsd->res, rsd->flags);
}
}
nv50_screen_make_buffers_resident(nv50->screen);
}
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